How To Setup/Disable your 2-Factor Authentication?

Go to my Account andclick on the "Enable" button available in the "My Account" section. Then you need to log out and log in again, then just after logging in, you will get a QR code, scan this code using Google Authenticator App from your phone and you will get an authentication code on your phone screen. To disable, just click on the disable button provided under my account section.